/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *                                                                         *
 *   AndroidWorld Library, Copyright 2011 Bryan Chadwick                   *
 *                                                                         *
 *   FILE: ./android/world/test/KeyInput.java                              *
 *                                                                         *
 *   This file is part of AndroidWorld.                                    *
 *                                                                         *
 *   AndroidWorld is free software: you can redistribute it and/or         *
 *   modify it under the terms of the GNU General Public License           *
 *   as published by the Free Software Foundation, either version          *
 *   3 of the License, or (at your option) any later version.              *
 *                                                                         *
 *   AndroidWorld is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with AndroidWorld.  If not, see <http://www.gnu.org/licenses/>. *
 *                                                                         *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

package android.world.test;

import android.app.Activity;
import android.os.Bundle;
import android.view.Display;
import android.image.*;
import android.world.VoidWorld;

public class KeyInput extends Activity {
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Display dis = getWindowManager().getDefaultDisplay();
        new KeyWorld(dis.getWidth(), dis.getHeight()-50).bigBang(this);
    }
}

class KeyWorld extends VoidWorld{
    int WIDTH, HEIGHT;
    String str = "";
    String event = "";
    
    KeyWorld(int w, int h){
        this.WIDTH = w;
        this.HEIGHT = h;
    }
    
    public Scene onDraw(){
        return new EmptyScene(this.WIDTH, this.HEIGHT, "black")
            .placeImage(new Text(str, 20, "blue"), this.WIDTH/2, 50)
            .placeImage(new Text(event, 20, "red"), this.WIDTH/2, 100);
    }
    
    public void onKey(String key){
        if(key.length() == 1){
            if(key.equals("\b")){
                str = str.substring(0, Math.max(str.length()-1, 0));
            }else
                str += key;
        }
        event = "Key-down: '"+escape(key)+"'";
    }
    public void onRelease(String key){
        event = "Key-up: '"+escape(key)+"'";
    }
    
    public boolean stopWhen(){
        return str.equals("stop\n");
    }
    public Scene lastScene(){
        return onDraw().placeImage(new Text("FINISHED", 30, "#CCFF0000").rotate(45), this.WIDTH/2, 75);
    }
    public static String escape(String s){
      char str[] = s.toCharArray();
      StringBuffer ret = new StringBuffer("");
      for(char c:str)ret.append(escape(c));
      return ret.toString();
   }
   public static String escape(char c){
      switch(c){
      case '\n':return "\\n";  case '\t':return "\\t";
      case '\b':return "\\b";  case '\r':return "\\r";
      case '\f':return "\\f";  case '\\':return "\\\\";
      case '\'':return "\\'"; case '\"':return "\\\"";
      default: return ""+c;
      }
   }
    
}
